From: Josef Bacik <jbacik@fusionio.com>
To: Matt Pursley <mpursley@gmail.com>
Cc: Josef Bacik <JBacik@fusionio.com>,
"linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: Re: One random read streaming is fast (~1200MB/s), but two or more are slower (~750MB/s)?
Date: Thu, 25 Apr 2013 17:10:19 -0400 [thread overview]
Message-ID: <20130425211019.GM2631@localhost.localdomain> (raw)
In-Reply-To: <CAG42UxcVhXT5=kgUedAWDbSnPuW_Nu---PsG+WRuNCFn9Kdeng@mail.gmail.com>
On Thu, Apr 25, 2013 at 03:01:18PM -0600, Matt Pursley wrote:
> Ok, awesome, let me know how it goes.. I don't have the raid
> formatted to btrfs right now, but I could probably do that in about 30
> minutes or so.
>
Huh so I'm getting the full bandwidth, 120 mb/s with one thread and 60 mb/s with
two threads. These are just cheap sata drives tho, I'll try and dig up a box
with 3 fusion cards for something a little closer to the speeds you are seeing
and see if that makes a difference. Thanks,
Josef
next prev parent reply other threads:[~2013-04-25 21:10 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-16 16:56 One random read streaming is fast (~1200MB/s), but two or more are slower (~750MB/s)? Matt Pursley
2013-04-17 6:55 ` Sander
2013-04-17 17:30 ` Matt Pursley
2013-04-18 1:50 ` Matt Pursley
2013-04-18 21:58 ` Josef Bacik
2013-04-25 19:52 ` Matt Pursley
2013-04-25 20:39 ` Josef Bacik
2013-04-25 21:01 ` Matt Pursley
2013-04-25 21:10 ` Josef Bacik [this message]
2013-04-26 23:21 ` Matt Pursley
2013-05-02 18:51 ` Matt Pursley
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